STKM 13A Seamless Tubes Shipment

(Reference)

JIS G3445 STKM13A Seamless Tubes

STKM 13A Seamless Tubes Shipping Information:

Products:                    STKM13A Seamless tubes

Producing Type:        Cold rolled

Destination:               Thailand

Standard:                   JIS G3445

Steel Grade:               STKM13A

Size:                            OD. 76.3mm x OD. 56.3mm x Length 5000mm

Quantity:                   22tons

Supplier:                    CTS TUBES

Shipping time:          27-Sep.-19

Test requirement:

STKM13A Seamless tubes Chemical composition

Grade Designation Unit %
C Si Mn P S Nb or V
Grade 13 A STKM 13A 0.25 max. 0.35 max. 0.30~0.90 0.040 max. 0.040 max.
B STKM 13B

STKM 13A Seamless Tubes Shipment. Click to download the details.

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STKM 13A Seamless tubes mechanical tests required

Designation Tensile strength
N/П
{kgf/П}
Yield point or proof
N/П
{kgf/П}
Elongation % Flattening strength
Distance between flat plates (H)
(D is outside dia. of the tube)
Bending strength
No. 4, No. 4, Bend angle Inside radius
No. 11 No. 5 (D is outside dia. of the tube)
No. 12 test pieces Transverse direction
test pieces Longitudinal direction
STKM13A 370{38} min. 215{22} min. 30 min. 25 min. 2/3 D 90 6 D
STKM13B 440{45} min. 305{31} min. 20 min. 15 min. 3/4 D 90 6 D
STKM13C 510{52} min. 380{39} min. 15 min. 10 min.

STKM 13A Seamless tubes inspection photos:

STKM 13A Seamless Tubes Inspection

STKM 13A Seamless Tubes Inspection

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